A solar forecast

By Ron Cowen, 15:56 PM April 15, 2008

Solar activity, which waxes and wanes in an 11-year cycle, will most likely begin its next round in March 2008 and peak sometime between late 2011 and mid 2012, predicts the National Oceanic & Atmospheric Administration's (NOAA) Space Environment Center in Boulder, Colo.

During the peak of activity, eruptions such as solar flares and coronal mass ejections hurl X rays, ultraviolet light, and billion-ton clouds of charged particles into space. If these outbursts head toward Earth, they can dis...

Source URL: https://www.sciencenews.org/article/solar-forecast?mode=magazine&context=606